CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets Parenthetical (Assets and Liabilities) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Cash and cash equivalents	$ 178,068	$ 189,326	$ 161,218
Costs and estimated earnings in excess of billings	99,883	73,102	86,025
Other current assets	43,597	39,908	31,949
Property and equipment, net	414,079	406,650	409,860
Accounts payable	252,527	199,029	210,923
Billings in excess of costs and estimated earnings	114,180	97,522	90,484
Accrued expenses and other current liabilities	231,048	218,587	212,986
Consolidated Construction Joint Venture | Joint Venture Consolidated
Cash and cash equivalents	80,195	73,115	50,065
Receivables, Net	42,099	52,613	59,923
Costs and estimated earnings in excess of billings	3,124	5,046	451
Other current assets	7,190	7,500	8,489
Property and equipment, net	28,398	20,500	13,420
Accounts payable	24,976	26,419	25,061
Billings in excess of costs and estimated earnings	32,657	33,704	18,687
Accrued expenses and other current liabilities	$ 1,156	$ 1,544	$ 1,529